In an all-North American podium, Katie Grimes and Emma Weyant of Team USA finished silver-bronze behind Summer McIntosh, the 17-year-old Canadian phenom and now first-time Olympic gold medalist. View this story and more Olympics coverage here.
Canadian teen McIntosh fulfills potential, Americans Grimes and Weyant go silver-bronze in women's 400m IM
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Summer McIntosh of Canada celebrates after winning gold in the women’s 400m IM at Paris La Defense Arena.
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